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Zero-Carbon Coal Fuel Cell Converts Coal to Electricity

4/27/2026

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Summary

Story summary

Xie Heping of the Chinese Academy of Sciences built a zero-carbon direct coal fuel cell (ZC-DCFC) that turns pulverized coal and oxygen into electricity.
The cell captures CO2 from the anode outlet and converts it on-site to synthesis gas or sodium bicarbonate.
Eliminating combustion and steam cycles lets the ZC-DCFC bypass the ~40 % Carnot limit, raise efficiency, scale to power seams 1.2 miles deep, and remove steam production and turbines.

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Story summary

Xie Heping of the Chinese Academy of Sciences built a zero-carbon direct coal fuel cell (ZC-DCFC) that turns pulverized coal and oxygen into electricity.
The cell captures CO2 from the anode outlet and converts it on-site to synthesis gas or sodium bicarbonate.
Eliminating combustion and steam cycles lets the ZC-DCFC bypass the ~40 % Carnot limit, raise efficiency, scale to power seams 1.2 miles deep, and remove steam production and turbines.